{"id":200281,"date":"2025-05-06T12:33:53","date_gmt":"2025-05-06T04:33:53","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200281\/"},"modified":"2025-05-06T12:33:53","modified_gmt":"2025-05-06T04:33:53","slug":"%e5%a6%82%e4%bd%95%e5%b0%86%e5%bc%82%e6%9e%84%e6%95%b0%e6%8d%ae%e6%a0%bc%e5%bc%8f%e5%af%bc%e5%85%a5postgresql%e6%95%b0%e6%8d%ae%e5%ba%93%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200281\/","title":{"rendered":"\u5982\u4f55\u5c06\u5f02\u6784\u6570\u636e\u683c\u5f0f\u5bfc\u5165PostgreSQL\u6570\u636e\u5e93\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u5c06\u5f02\u6784\u6570\u636e\u683c\u5f0f\u5bfc\u5165PostgreSQL\u6570\u636e\u5e93\uff1f<\/h1>\n<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241031\/17303432836722f17307bd4.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u5c06\u5f02\u6784\u6570\u636e\u683c\u5f0f\u5bfc\u5165 postgresql \u6570\u636e\u5e93<\/strong><\/p>\n<p>\u4f5c\u4e3a\u4e00\u540d\u65b0\u624b\uff0c\u60a8\u5e0c\u671b\u5c06\u590d\u6742\u7684\u6570\u636e\u683c\u5f0f\u5bfc\u5165\u6570\u636e\u5e93\uff0c\u4f8b\u5982 postgresql\u3002\u8fd9\u4e2a\u95ee\u9898\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u4e24\u4e2a\u89d2\u5ea6\u6765\u89e3\u51b3\uff1amysql \u548c postgresql\u3002<\/p>\n<p><strong>mysql<\/strong><\/p>\n<p><strong>1. \u521b\u5efa\u6570\u636e\u5e93\u548c\u8868\uff1a<\/strong><\/p>\n<pre>create database my_database;\ncreate table my_table (\n  code char(50),\n  topic char(50),\n  author char(50)\n);<\/pre>\n<p><strong>2. \u4f7f\u7528 load data infile \u547d\u4ee4\u5bfc\u5165\u6570\u636e\uff1a<\/strong><\/p>\n<pre>load data infile 'data.txt'\ninto table my_table\nfields terminated by '\\t';<\/pre>\n<p><strong>postgresql<\/strong><\/p>\n<p>\u8f6c\u6362\u4e3a postgresql \u7684 python \u7248\u9a71\u52a8\u7a0b\u5e8f\u540e\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6279\u91cf\u5bfc\u5165\uff1a<\/p>\n<p><strong>1. \u521b\u5efa\u6570\u636e\u5e93\u548c\u8868\uff1a<\/strong><\/p>\n<pre>import psycopg2\n\n# \u8fde\u63a5 postresql \u6570\u636e\u5e93\nconn = psycopg2.connect(\n    host=\"localhost\",\n    port=5432,\n    database=\"my_database\",\n    user=\"my_user\",\n    password=\"my_password\"\n)\ncur = conn.cursor()\n\n# \u521b\u5efa\u8868\ncur.execute(\"create table info (code char(50), topic char(50), author char(50))\")<\/pre>\n<p><strong>2. \u5bfc\u5165\u6570\u636e\uff1a<\/strong><\/p>\n<pre># \u521b\u5efa\u4e00\u4e2a\u51c6\u5907\u597d\u7684\u8bed\u53e5\u5bf9\u8c61\nstmt = conn.cursor(\"insert into info values (%s, %s, %s)\")\n\n# \u4f7f\u7528\u53ef\u8fed\u4ee3\u5bf9\u8c61\u6279\u91cf\u63d2\u5165\u6570\u636e\nrows = [\n    [\"007\", \"the paron lal\", \"pardon110|candy\"],\n    [\"008\", \"the paron lal 2\", \"pardon110|candy 2\"]\n]\n\nstmt.executemany(\"insert into info values (%s, %s, %s)\", rows)<\/pre>\n<p><strong>3. \u63d0\u4ea4\u66f4\u6539\uff1a<\/strong><\/p>\n<pre>conn.commit()\n\n# \u5173\u95ed\u8fde\u63a5\ncur.close()\nconn.close()<\/pre>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u5c06\u5f02\u6784\u6570\u636e\u683c\u5f0f\u5bfc\u5165PostgreSQL\u6570\u636e\u5e93\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6570\u636e\u5e93\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5c06\u5f02\u6784\u6570\u636e\u683c\u5f0f\u5bfc\u5165Postg&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200281","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200281"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200281\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}